<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>显示模式</title>
  <style>
    /* 块级元素: 独占一行; 宽度默认是父级的100%; 加宽高生效 */
    div {
      width: 100px;
      height: 100px;
    }
    .div1 {
      background-color: brown;
    }
    .div2 {
      background-color: orange;
    }
    /* 行内元素: 一行共存多个; 尺寸由内容撑开;加宽高不生效 */
    span {
      width: 200px;
      height: 200px;
    }
    .span1 {
      background-color: brown;
    }
    .span2 {
      background-color: orange;
    }

    /* 行内块元素: 一行共存多个;默认尺寸由内容撑开;加宽高生效 */
    img {
      width: 100px;
      height: 100px;
    }
  </style>
</head>
<body>
  <!-- 
    块级元素特点
      1.独占一行
      2.宽度默认是父级的100%
      3.添加宽高属性生效
   -->
  <div class="div1">div 标签1</div>
  <div class="div2">div 标签2</div>

  <!-- 行内元素 -->
  <span class="span1">span1</span>
  <span class="span2">span2</span>

  <!-- 行内块元素 -->
  <img src="./images/1.png" alt="">
  <img src="./images/1.png" alt="">
</body>
</html>